#include <stdio.h>
#include <ctype.h>
int main()
{
	char arr[] = "I am a student";
	int i = 0;
	while(arr[i] != '\0')
	{
		if(islower(arr[i]))
		{
			//arr[i] = arr[i] - 32;
			arr[i] = touppear(arr[i]); 
		}
		i++;
		
	}
	 printf("%s ",arr);
	return 0;
	
	
}
